Angle-resolved photoemission study for double Ag nanofilm structures |
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| Institution: | 1. Laboratory of Mechanisms of Cell Motility, Institute of Cytology, Russian Academy of Sciences, 4 Tikhoretsky Av., 194064 St Petersburg, Russia;2. Saint Petersburg State University, 7/9 Universitetskaya nab, 199034 St Petersburg, Russia;3. Department of Biochemistry and Cell Biology, Faculty of Natural Sciences, Kazimierz Wielki University in Bydgoszcz, 12 Ks. J. Poniatowski St., 85-671 Bydgoszcz, Poland |
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| Abstract: | We have carried out an angle-resolved photoemission study for Ag/Cu/Ag/Cu(1 1 1) system in order to investigate the electronic coupling between the two quantum-well (QW) states in the double Ag nanofilm structures. It is found that the outer nanofilm thickness dependence of QW state in double Ag nanofilm structures can be explained as the electronic coupling through the thin Cu barrier layer between the QW states in the inner and outer Ag nanofilms. It is also found that the coupling strength depends on the Cu barrier thickness. From these results, we discuss the electronic coupling between the two QW states in the double Ag nanofilm structures. |
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